/** * Sorts the map primary keys, if necessary. */ private function lazySortPrimaryKeys() { $this->map->sortPrimaryKeys(); $this->primaryKeysSorted = true; }
/** * Returns whether the collection is empty. * * @return bool Returns `true` if the collection is empty and `false` * otherwise. */ public function isEmpty() { return $this->map->isEmpty(); }
/** * @expectedException \OutOfBoundsException */ public function testSortSecondaryKeysFailsIfNotFound() { $this->map->sortSecondaryKeys('foobar'); }